108919-01-3 L-Lysine, N6-(4-azido-2-hydroxy-5-(iodo-125I)benzoyl)-N2'-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)- Lysine-iodosalicylyl-methotrexate N(alpha)-(4-Amino-4-deoxy-10-methylpteroyl)-N(epsilon)-(4-azido-5-iodosalicylyl)lysine N6-(4-Azido-2-hydroxy-5-(iodo-125I)benzoyl)-N2'-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-L-lysine